Home / 102,778.85-154,045.56-52,882.85

Finding the Fourth Proportional to 102,778.85, 154,045.56 and 52,882.85

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Solution

The fourth proportional to 102,778.85, 154,045.56 and 52,882.85 is: 79,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,778.85 : 154,045.56 = 52,882.85 : x
  2. Step 2: Convert to fraction form
    102,778.85/154,045.56 = 52,882.85/x
  3. Step 3: Cross multiply
    102,778.85x = 154,045.56 × 52,882.85
  4. Step 4: Simplify right side
    102,778.85x = 8,146,368,242.65
  5. Step 5: Solve for x
    x = 8,146,368,242.65/102,778.85
  6. Step 6: Final answer
    x = 79,261.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.